Port 4240

vrml-multi-use · –

RangeRegistered port (1024–49151)
Protocol–
Servicevrml-multi-use

Frequently asked questions

What is port 4240 used for?

Port 4240 is registered with the IANA for vrml-multi-use (–). Description: VRML Multi User Systems.

Is port 4240 a well-known port?

No. Port 4240 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.

How do I check whether port 4240 is open?

Locally on Linux with ss -tulpn | grep ':4240\b', on Windows with netstat -ano | findstr :4240. To test a remote host use Test-NetConnection <host> -Port 4240 in PowerShell or nc -zv <host> 4240 on Linux/macOS.

IANA registry entries

ProtocolServiceDescription (IANA)
vrml-multi-useVRML Multi User Systems

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